74HCT191D datasheet(7/14 Pages) PHILIPS

부품명	74HCT191D

상세설명	Presettable synchronous 4-bit binary up/down counter

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제조업체	PHILIPS [NXP Semiconductors]

홈페이지	http://www.nxp.com

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7 / 14 page

December 1990

7

Philips Semiconductors

Product speciﬁcation

Presettable synchronous 4-bit binary

up/down counter

74HC/HCT191

Fig.8

Typical load, count and

inhibit sequence.

Sequence

Load (preset) to binary thirteen;

count up to fourteen, fifteen,

zero, one and two;

inhibit;

count down to one, zero, fifteen,

fourteen and thirteen.

Fig.9 Logic diagram.

유사한 부품 번호 - 74HCT191D

제조업체	부품명	데이터시트	상세설명
NXP Semiconductors	74HCT190	101Kb / 13P	Presettable synchronous BCD decade up/down counter December 1990
	74HCT190D	101Kb / 13P	Presettable synchronous BCD decade up/down counter December 1990
	74HCT190DB	101Kb / 13P	Presettable synchronous BCD decade up/down counter December 1990
	74HCT190N	101Kb / 13P	Presettable synchronous BCD decade up/down counter December 1990
	74HCT190PW	101Kb / 13P	Presettable synchronous BCD decade up/down counter December 1990

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